diff --git a/mutbooks/src/test/java/com/example/mutbooks/app/member/service/MemberServiceTest.java b/mutbooks/src/test/java/com/example/mutbooks/app/member/service/MemberServiceTest.java
index b20aa3e..e83c8ba 100644
--- a/mutbooks/src/test/java/com/example/mutbooks/app/member/service/MemberServiceTest.java
+++ b/mutbooks/src/test/java/com/example/mutbooks/app/member/service/MemberServiceTest.java
@@ -3,8 +3,11 @@
 import com.example.mutbooks.app.member.entity.AuthLevel;
 import com.example.mutbooks.app.member.entity.Member;
 import com.example.mutbooks.app.member.exception.EmailDuplicationException;
+import com.example.mutbooks.app.member.exception.PasswordNotMatchedException;
 import com.example.mutbooks.app.member.exception.UsernameDuplicationException;
 import com.example.mutbooks.app.member.form.JoinForm;
+import com.example.mutbooks.app.member.form.ModifyForm;
+import com.example.mutbooks.app.member.form.PasswordUpdateForm;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -100,4 +103,50 @@ void join4() {
         // when, then
         assertThrows(EmailDuplicationException.class, () -> memberService.join(joinForm));
     }
+
+    @Test
+    @DisplayName("회원기본정보 수정")
+    void modifyProfile() {
+        // given
+        ModifyForm modifyForm = ModifyForm.builder()
+                .email("new@test.com")
+                .nickname("new")
+                .build();
+        // when
+        memberService.modifyProfile("user1", modifyForm);
+        Member member = memberService.findByUsername("user1");
+        // then
+        assertThat(member.getEmail()).isEqualTo("new@test.com");
+        assertThat(member.getNickname()).isEqualTo("new");
+    }
+
+    @Test
+    @DisplayName("회원 비밀번호 수정")
+    void modifyPassword1() {
+        // given
+        PasswordUpdateForm passwordUpdateForm = PasswordUpdateForm.builder()
+                .password("1234")
+                .newPassword("12345")
+                .newPasswordConfirm("12345")
+                .build();
+        // when
+        memberService.modifyPassword("user1", passwordUpdateForm);
+        Member member = memberService.findByUsername("user1");
+        // then
+        assertTrue(passwordEncoder.matches("12345", member.getPassword()));
+    }
+
+    @Test
+    @DisplayName("기존 비밀번호가 일치하지 않으면 비밀번호 수정 불가")
+    void modifyPassword2() {
+        // given
+        PasswordUpdateForm passwordUpdateForm = PasswordUpdateForm.builder()
+                .password("123")
+                .newPassword("12345")
+                .newPasswordConfirm("12345")
+                .build();
+        // when, then
+        assertThrows(PasswordNotMatchedException.class,
+                () -> memberService.modifyPassword("user1", passwordUpdateForm));
+    }
 }
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